UI synchronization issue in the Just-in-Time (JIT) access request approval interface in Devolutions Server 2025.2.4.0 and earlier allows a remote authenticated attacker to gain unauthorized access to deleted JIT Groups via stale UI state during standard checkout request processing.

Improper access control in the users MFA feature in Devolutions Server allows an authenticated user to bypass administrator-enforced restrictions and remove their own multi-factor authentication (MFA) configuration via a crafted request. This issue affects Server: from 2026.1.6 through 2026.1.11.

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

Improper access control in the multi-factor authentication (MFA) management API in Devolutions Server allows an authenticated attacker to delete their own configured MFA factors and reduce account protection to password-only authentication via crafted HTTP requests.  This issue affects Server: from 2026.1.6 through 2026.1.11.